#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int arr[10] = { 1,2,3,4,5,1,2,3,4,6 };
	int sz = sizeof(arr) / sizeof(arr[0]);
	//printf("%d", sz);
	int n = 0;
	for (int i = 0; i < sz; i++) {
		for (int j = 0; j < sz; j++) {
			if (arr[i] == arr[j]) {
				n++;
			}
		}
		if (n == 1) {
			printf("%d ", arr[i]);
		}
		n = 0;
	}
	return 0;
}